how to activate an application?

in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #1

16484

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...

in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #2

Shakir Hussain

in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #3

Manish Agarwal

This approach will not work when at user desktop there is an explorer
window open with same title as your application title.

--------------------------------------------
Manish Agarwal <ma***********@ hotmail.com>
http://personal.vsnl.com/mkag
"Shakir Hussain" <sh**@fakedomai n.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #4

Manish Agarwal

This is approach will not work when at user desktop there is an explorer
window open with same title as your application title.

--------------------------------------------
Manish Agarwal <ma***********@ hotmail.com>
http://personal.vsnl.com/mkag
"Shakir Hussain" <sh**@fakedomai n.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #5

Manish Agarwal

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #6

Manish Agarwal

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #7

Manish Agarwal

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #8

Manish Agarwal

This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #9

Shakir Hussain

Manish,

Multiple instances of same application will have same titiles. To over come
this, we have to get process ids, to identify which one we want to activate.

for example

Process [] apps = Process.GetProc essesByName("Te stAppName")

Now if we decide which one we want from this process list to be activated,
pass the handle to SetForegroundWi ndow() function to activate it.

example:

SetForegroundWi ndow(app[0].Handle.ToInt32 ()); //assuming that 1st process
id is the one we want to activate.

Shak.

"Manish Agarwal" <ma************ @mphasis.com> wrote in message
news:%2******** ********@TK2MSF TNGP10.phx.gbl. ..

This is approach will not work when at user desktop there is an explorer
window open with same title as your application title.

--------------------------------------------
Manish Agarwal <ma***********@ hotmail.com>
http://personal.vsnl.com/mkag
"Shakir Hussain" <sh**@fakedomai n.com> wrote in message
news:%2******** ********@tk2msf tngp13.phx.gbl. ..
This can be achieved by windows api's

Add the definitions inside your class

[DllImportAttrib ute( "User32.dll " )]
private static extern int FindWindow( String ClassName, String
WindowName );
[DllImportAttrib ute( "User32.dll " )]
private static extern int SetForegroundWi ndow( int hWnd );
//to activate an application
int hWnd = FindWindow( null, "This is my Application Title" );
if( hWnd > 0 )
{
SetForegroundWi ndow( hWnd );
}

Shak.
"zhou" <zy****@sohu.co m> wrote in message
news:eL******** ******@TK2MSFTN GP11.phx.gbl...
in Visual Basic ,I use
Appactivate(Aca dApp.caption);

Nov 16 '05 #10

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