Flashing Window Title Example

Keywords: 	   flash

I have recently been experimenting with Windows API functions, and I came across the FlashWindow function.

Flashing is where the title bar of the window is switched from an active to inactive look (or vice versa) to get the user�s attention. Normally this is done multiple times, instead of just once. When you are done flashing, the window�s look is returned to the state it was in before flashing.

Below are 2 scripts to demonstrate this function. I use flashing in a program to warn the user of the possibility of impending doom.

SCRIPT #1:

	;FlashDemo.wbt
	;We will call Flash.wbt then display a message with a specific title.
	; A variation of this script can be added to your program.
	RunHide ("Flash.wbt","")
	Message ("WARNING - Demo", "Demonstration of %@CRLF%Flashing Titlebar.")
	;End FlashDemo.wbt

SCRIPT #2:

	;Flash.wbt - This is the program that does the flashing.

	Delay (1) ;Delay long enough for the window to show up.
	;I'm not sure if this is necessary but it seems like a good idea.

	;It expects the window with the specified title to already exist
	;if it does not then we terminate.
	if WinExist("WARNING -") == @FALSE
		Message("Flash","Run FlashDemo.wbt")
		exit
	endif

	;Setup our variables, we will need user32.dll and the appropriate window.
	User32=strcat (dirwindows (1),"user32.DLL")
	WinFlash = DllHwnd ("WARNING -")

	;Now we will do the flashing.
	;Flash 100 times or until the window is deactivated.
	For x = 1 to 100
		;Switch the title bar from an active to inactive look (or vice versa).
		DllCall (User32, long:"FlashWindow", long:WinFlash, long:1)
		Delay (1)
		;Stop flashing if Window is deactivated.
		if WinExist ("WARNING -") == @FALSE then x = 100
	next

	;Restore the window to its normal look.
	DllCall (User32, long:"FlashWindow", long:WinFlash, long:0)
	;End Flash.wbt

Article ID:   W13780

Filename:   Flashing Window Title Example.txt

File Created: 1999:04:15:16:56:20

Last Updated: 1999:04:15:16:56:20

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Flashing Window Title Example