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CheckTreeView_trial.zip (1,216,535 bytes) |
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Handling error: You need to change CheckBoxOptions.Style to cbxJVCL. Otherwise it will use the native style and that only supports Checkboxes and can't hide Checkboxes. Unfortunately CheckBoxOptions.Style is reset to cbxNone if you change the CheckBoxes property to False. So toggling the "Checkboxes" property will switch back to the native style. |
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Ok, I couldn't find a solution, that doesn't require pressing a button... |
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What do you mean by "that doesn't require pressing a button..." ? The Mantis bug tracking system? Just putting CheckBoxOptions.Style := cbxJVCL; into the code uses the JVCL checkboxes implementation that supports disabling checkboxes per node. |
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Sorry, I was referring to the trial I had attached... I tried to set: JvCheckTreeView1.Checkboxes := True; JvCheckTreeView1.CheckBoxOptions.Style: = cbsJVCL; then I tried to hide the checkbox with each: JvCheckTreeView1.CheckBox[JvCheckTreeView1.Items[0]] := False; JvCheckTreeView1.Items[0].StateIndex := -1; but none of them worked for me. |
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For me it works as you can see in the attach image. UPDATE: Now I understand. Your example with the button isn't what you want. You want to hide the checkbox for example in the FormCreate event. And that doesn't work.
Mantis6710.png (32,534 bytes) |
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I have fixes this now. There was a bug fix from 2013 that broke the SetCheckBox code because it only worked with in the Native mode but not in the JVCL mode. |
- Anonymous
