This article was previously published under Q81466
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The SendKeys statement in Microsoft Visual Basic for Windows is case-sensitive with regards to the keystrokes sent. Sending an uppercaseletter may be interpreted by the receiving application differentlythan the lowercase version of a letter.
The following line of code sends an ALT+F key combination to theapplication that currently has the focus:
NOTE: This is different from ALT+F:
This can be a problem because some applications distinguish between anuppercase F and lowercase f when sent by the SendKeys statement.
For example, Microsoft Word versions 1.0b and earlier for Windows(WINWORD.EXE) do not distinguish the difference. However, MicrosoftWord version 2.0 for Windows does distinguish the lowercase f sent bySendKeys.
When SendKeys (from Visual Basic for Windows) sends the ALT+F keycombination, WINWORD.EXE version 2.0 interprets the keystroke asALT+Shift+f, at which Word for Windows will simply beep. However,SendKeys using ALT+f will correctly activate the File menu.