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title Dialog Patterns
description Modal dialogs, confirmation prompts, and popup patterns for Power Apps
category ui-patterns
subcategory dialogs
tags
dialogs
modals
popups
confirmations
overlays
difficulty intermediate
products
power-apps-canvas
author PowerAppsDarren
created 2026-01-27
updated 2026-01-27

Dialog Patterns

Table of Contents

Reusable dialog and modal patterns for Power Apps canvas applications.

Overview

This folder contains patterns for implementing dialogs, modals, and popup interfaces in Power Apps. Dialogs are essential for user confirmations, data entry forms, alerts, and contextual information display.

Contents

File Description
Dialogs.md Introduction to dialog patterns

Common Dialog Types

Confirmation Dialogs

Used when actions require user confirmation (delete, submit, cancel changes).

// Show confirmation dialog
UpdateContext({showConfirmDialog: true, pendingAction: "delete"});

// In dialog's Confirm button:
If(
    pendingAction = "delete",
    Remove(DataSource, ThisItem);
    UpdateContext({showConfirmDialog: false})
)

Information Dialogs

Display important information or alerts to users.

Input Dialogs

Collect user input in a focused, modal context.

Implementation Pattern

A typical dialog implementation includes:

  1. Overlay Container - Semi-transparent background that blocks interaction
  2. Dialog Container - Centered content area with the dialog UI
  3. Close Mechanism - Button or background click to dismiss
  4. Focus Management - Proper tab order within the dialog

Basic Dialog Structure

# Overlay (semi-transparent background)
Container_Overlay:
  Control: GroupContainer
  Properties:
    Visible: =varShowDialog
    Fill: =RGBA(0, 0, 0, 0.5)
    X: =0
    Y: =0
    Width: =App.Width
    Height: =App.Height

# Dialog Content
Container_Dialog:
  Control: GroupContainer
  Properties:
    Visible: =varShowDialog
    X: =(App.Width - Self.Width) / 2
    Y: =(App.Height - Self.Height) / 2
    Width: =400
    Height: =300
    Fill: =Color.White

Best Practices

  • Always provide a way to close the dialog (X button, Cancel, or click outside)
  • Use consistent styling across all dialogs in your app
  • Keep dialog content focused and minimal
  • Consider mobile responsiveness
  • Use appropriate transitions for better UX

Related Resources

History

Date Author Changes
2026-01-27 Claude Created initial README