init_tk (::quartus::misc)
The following table displays information for the init_tk Tcl command:
| Tcl Package and Version |
Belongs to ::quartus::misc 1.0 |
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| Syntax | init_tk [-h | -help] [-long_help] | ||
| Arguments | -h | -help | Short help | |
| -long_help | Long help with examples and possible return values | ||
| Description |
Initializes a Tk window. If you are using Tk functionality in Tcl, you must run this command first before running any Tcl scripts. |
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| Example Usage |
# Initialize the Tk library
init_tk
# Create a top level and add a title
toplevel .top
wm title .top "Hello World"
# Add widgets
button .top.hello -text Hello -command {puts stdout "Hello, World!"}
pack .top.hello -padx 20 -pady 10
# Without "tkwait", the script finishes at this point and the
# window is destroyed. The "tkwait" command prevents the
# script from finishing until the you close the window.
tkwait window .top
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| Return Value | Code Name | Code | String Return |
| TCL_OK | 0 | INFO: Operation successful | |