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Can't get SendKey to work right

Can't get SendKey to work right

Can't get SendKey to work right

(OP)
I have a structural analysis program (CADRE) that I'm trying to control with VB6 and the SendKey command.  I have done this before with AutoCad and other programs with success, but can't get it to work consistently with CADRE.  I open to a load file dialog box and press a "Remove" file command button in order to set up for the text string (CADRE has no quick key assignments.)  Then I click on my VB program and press my "Run CADRE" button which puts the focus on the CADRE dialog box and sends the keyboard string.  It works about 1 out of 10 times.  

The subprogram is two lines..
AppActivate
SendKey

I have experimented with all combinations of wait  in each command.

I have tried to clear the keyboard buffer by sending a nul string.

More Info...

I am using XP Home service pack 2 and VB 6.0.

CADRE says that their program is an upgrade to the dot Net framework.

I use a KVM switch but had the same problem on a stand alone PC.

I am not a professional programmer but have been programming BASIC for about 15 years starting with BASICA through to VB 5 and 6.

Any help would be appreciated.

Thanks,
-Mike

RE: Can't get SendKey to work right

(OP)
I'm still working on this.  Starting to get a little better result by putting a delay between the AppActivate and SendKey commands.

If anyone has ideas, your help would be much appreciated.

Thanks,
-Mike

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