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Learn More Financial Chart Lightweight and high-performance, making it easy to display financial data using a simple and intuitive API. Learn More. Most Popular. Resources Leverage these helpful resources to learn how to build better desktop apps, faster. NET Core application. Documentation Support. Sample Code Sample Applications. Blogs Forums. Good Value. There's now more room for the next row to occupy. Most controls define some sort of height and width value that they should occupy that looks best for them.
In the case of the label control, it has a height value that ensures that you can read it. Let's talk about control placement. The label created in the section above was automatically placed in row 0 and column 0 of the grid.
The numbering for rows and columns starts at 0 and increments by 1 for each new row or column. The control doesn't know anything about the grid, and the control doesn't define any properties to control its placement within the grid. The control could have even been placed within some other layout control which has its own set of rules defining how to place controls.
How do you tell a control to use a different row or column when the control has no knowledge of the grid? Attached properties! The grid takes advantage of the powerful property system provided by WPF. The grid defines new properties that the child controls can declare and use.
The properties don't actually exist on the control itself, they're attached by the grid when the control is added to the grid. The grid defines two properties to determine the row and column placement of a child control: Grid.
Row and Grid. If these properties are omitted from the control, it's implied that they have the default values of 0, so, the control is placed in row 0 and column 0 of the grid. Column attribute to 1 :. Notice how your label now moved to the second column. You can use the Grid. Column attached properties to place the next controls we'll create. For now though, restore the label to row 0. Now that the grid is correctly sized and the label created, add a list box control on the row below the label.
The list box will be in row 1 and column 0. We'll also give this control the name of lstNames. Once a control is named, it can be referenced in the code behind. The name is assigned to the control with the x:Name attribute. The last two controls we'll add are a text box and a button, which the user will use to enter a name to add to the list box. The stack panel differs from the grid in how the controls are placed.
While you tell the grid where you want the controls to be with the Grid. Column attached properties, the stack panel works automatically by placing the first control, then placing the next control after it, continuing until all controls have been placed. It "stacks" each control below the other. Add another attribute named Margin with a value of 5,0,0,0 :. The Margin attribute was previously used on the grid, but we only put in a single value, Now we've used a value of 5,0,0,0 on the stack panel.
The margin is a Thickness type and can interpret both values. A thickness defines the space around each side of a rectangular frame, left , top , right , bottom , respectively. If the value for the margin is a single value, it uses that value for all four sides.
The layout for the window is complete. However, our app doesn't have any logic in it to actually be functional.
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