Can I Add Items to a ComboBox at a specific index? Can I bind a Boolean value to a button click ? can I bind a controls IsEnabled to the SelectedIndex of one or more comboboxes? Can I create DataTemplate Progra
in your case lets say we have a SearchViewModel and a SearchEntryViewmodel. publicclassSearchEntryViewmodel{//Properties for Binding to Combobox and Textbox goes here}publicclassSearchViewModel{publicObservableCollection<SearchEntryViewmodel>MySearchItems{get;set;}publicICommandAddSearchItem{get;} } till...
it does not filter the items in the combobox to display only the items matching the text being typed... I have been able to get this done in a regular combobox using the code shown below. Could you please help me as to how i can get the ...
it does not filter the items in the combobox to display only the items matching the text being typed... I have been able to get this done in a regular combobox using the code shown below. Could you please help me as to how i can get the ...
combobox to display only the items matching the text being typed... I have been able to get this done in a regular combobox using the code shown below. Could you please help me as to how i can get the same feature here in the DataGridComboBoxColumn, possibly by modifying the code ...
I knew that the layered approach of WPF to composing a UI had to provide a mechanism for this, and having solved the Date-Picker problem, I realized I could use a similar approach for the ComboBox. The first part of the trick is to avoid the slick DataGridComboBoxColumn and use the ...
</Paragraph> <BlockUIContainer> <StackPanel> <Label Foreground="Blue">Choose a value:</Label> <ComboBox> <ComboBoxItem IsSelected="True">a</ComboBoxItem> <ComboBoxItem>b</ComboBoxItem> <ComboBoxItem>c</ComboBoxItem> </ComboBox> <Label Foreground ="Red">Choose a value:</Label> <...
In order to create a multi-select combobox, we have to analyze what is required to construct such a control. We need a combobox and for each item in the combobox dropdown, we need to add a checkbox. Since we are going to write our custom data template for combobox items, we can’...
parent.Items.Add(dataItem); } 需要读者注意的则是该段代码中对GetData()函数的调用。Drag&Drop过程中,如果希望从DataObject中获取数据,那么必须使用原有类型。如A是B的基类,而DataObject中封存的则是类型B的实例,那么软件开发人员需要在DataObject.GetData()中使用typeof(B),而不能是typeof(A)。
</Paragraph> <BlockUIContainer> <StackPanel> <Label Foreground="Blue">Choose a value:</Label> <ComboBox> <ComboBoxItem IsSelected="True">a</ComboBoxItem> <ComboBoxItem>b</ComboBoxItem> <ComboBoxItem>c</ComboBoxItem> </ComboBox> <Label Foreground ="Red">Choose a value:</Label> <...