terewbank.blogg.se - Xojo custom listbox

The column widths specified using the * divide up the remaining width proportionally. Column widths specified in percentages are guaranteed to have that percentage of the visible width of the ListBox. Column widths specified in pixels are guaranteed to have the specified width. You can use a mixture of points, percentages, and relative lengths. The value "*" is equivalent to "1*" and can be used to mean "fill the remaining space." If there are fewer column widths specified than the total number of columns, the remaining columns will divide up the remaining width equally.Īn element with a length of "3*" will be allotted three times the space of an element with length "1*". Without any column width specifications, the headers will be divided evenly. You should set the width of the last column to "*" and it will automatically take up the remaining width of the ListBox. If you use points, the last column doesn't grow to the size of the rest of the ListBox. The percentage value can be greater than 100%. A value can be an absolute value (in points), a percentage, a relative length expressed as i* where i is an integer, or an "*" that indicates "fill in the remaining width." If you use percentages, you can use non-integer values to specify fractions of a percent, e.g., 43.52%. Supported for all project types and targets.Ī list of comma-separated values, with each value controlling the width of the associated column. Hope this helps you a bit,or leads you in the direction you need for the solution.A ListBox. ĭefine the ItemTemplate where you are placing your ListBox. You will insert the location of this file in the Application.Resources. This step is to make sure that your ListBox can locate this DataTemplate. Ĭreate the DataTemplate for the ListBoxItem If I am working on a large project, I will usually separate styles depending on how or where they are used and this helps me keep them organized. I usually create a new folder called "Styles" - this way as I keep all of my defined styles and templates in one area. The item's text or name is under "Name" in the database and the information for the location of the image is under "Image" in the database.The steps are based off of this Basic Tutorial for applying a DataTemplate to a ListBox.Ĭreate a ResourceDictionary for the template and name it BasicTemplatesStyles.xaml. Try using a DataTemplate for the ListBoxItems - this will allow you to format how you want each of the items to appear in the ListBox.įor this example I will make the following assumptions - you can correct if necessary (which it probably will be since I don't know the data base :) ) = this.imageList1 įor (int j = 0 j < j++) (Image.FromFile(file.FullName)) Ĭonsole.WriteLine("This is not an image file") If you want to add the images to the ListView by code, you can do something like this private void Form10_Load(object sender, EventArgs e)ĭirectoryInfo dir = new (FileInfo file in dir.GetFiles())

Click OK to finish item editing, now you'll find the images are displayed on the ListView.

Click the "Add items" option on the smart tag, a ListViewItem Collection Editor will appear, you can add items to the ListView, it's important here to set the ImageIndex or ImageKey property, or the image won't appear.

Click the smart tag, you will find there're three ComboBoxes there, choose a ImageList from the list as you want.

Click the ListView on the form, there will be a smart tag appear on the top-right corner.

Click OK to finish adding images to the ImageList.

On the pop-up Image Collection Editor dialog, choose the images from the folder your want.

Click the smart tag, and click "Choose Images" on the pane.

Switch to the designer, click on the ImageList component on the Component Tray, there will be a smart tag appear on the top-right corner of the ImageList.

If you want to do this in the designer, you can take the following steps to add the images to the ListView control: I would better suggest you to use ListView, which is meant for it.8df Iam affraid you cannot put images into a listBox (without any additional hacking of the code).